- A
Enable SNMP polling from the NMS at regular intervals.
Why wrong: SNMP polling is used to actively query device statistics; it does not provide immediate notification of events. Traps are required for push notifications.
- B
Configure an SNMP trap receiver on the NMS and set the router to send traps to that receiver.
Traps are generated by the device when an event occurs. The administrator must specify the trap destination (IP of the NMS) and enable the relevant traps (e.g., linkUp/linkDown). Without this, the router will not send trap messages.
- C
Set up syslog to forward log messages to a centralized server.
Why wrong: Syslog can provide event logging, but it is not SNMP-specific. While syslog could send interface down logs, the question specifically asks about SNMP notifications, which are traps.
- D
Configure an access control list to allow the NMS to poll the router.
Why wrong: Access control lists may be needed for security, but they do not enable traps. Traps require explicit configuration of the trap destination and enabling the trap generation.
N10-009 Network Operations Practice Question
This N10-009 practice question tests your understanding of network operations. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A network administrator wants to be notified immediately when any interface on a core router goes down. The administrator has already configured SNMP community strings on the router. What additional configuration is necessary to receive these notifications?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"immediately / without restart"Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Configure an SNMP trap receiver on the NMS and set the router to send traps to that receiver.
SNMP traps are unsolicited notifications sent from a managed device (the router) to a Network Management System (NMS) when a specific event occurs, such as an interface going down. Since the administrator already configured SNMP community strings (which provide authentication for SNMP messages), the missing piece is configuring the router to send traps to a specific trap receiver (the NMS) and ensuring the NMS is set up to listen for those traps. Without this trap receiver configuration, the router will not generate or forward the event-driven alerts.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Enable SNMP polling from the NMS at regular intervals.
Why it's wrong here
SNMP polling is used to actively query device statistics; it does not provide immediate notification of events. Traps are required for push notifications.
- ✓
Configure an SNMP trap receiver on the NMS and set the router to send traps to that receiver.
Why this is correct
Traps are generated by the device when an event occurs. The administrator must specify the trap destination (IP of the NMS) and enable the relevant traps (e.g., linkUp/linkDown). Without this, the router will not send trap messages.
Clue confirmation
The clue word "immediately / without restart" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Set up syslog to forward log messages to a centralized server.
- ✗
Configure an access control list to allow the NMS to poll the router.
Why it's wrong here
Access control lists may be needed for security, but they do not enable traps. Traps require explicit configuration of the trap destination and enabling the trap generation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between SNMP polling (get requests) and SNMP traps (unsolicited notifications), leading candidates to mistakenly think that enabling polling or syslog is sufficient for immediate event-driven alerts.
Detailed technical explanation
How to think about this question
SNMP traps are defined in RFC 1157 and use UDP port 162, with the router sending a Trap PDU (Protocol Data Unit) containing the OID of the event (e.g., ifDown from IF-MIB) to the configured trap receiver. The trap receiver must be running an SNMP manager application that listens on UDP 162 and processes incoming traps; without this listener, the router's trap messages are simply dropped. In real-world deployments, trap receivers often use community strings for authentication and may require additional configuration like SNMPv3 for encryption and authentication.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the N10-009 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Network Operations — study guide chapter
Learn the concepts, then practise the questions
- →
Network Operations practice questions
Targeted practice on this topic area only
- →
All N10-009 questions
520 questions across all exam domains
- →
CompTIA Network+ N10-009 study guide
Full concept coverage aligned to exam objectives
- →
N10-009 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Related N10-009 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Networking Concepts practice questions
Practise N10-009 questions linked to Networking Concepts.
Network Implementation practice questions
Practise N10-009 questions linked to Network Implementation.
Network Operations practice questions
Practise N10-009 questions linked to Network Operations.
Network Security practice questions
Practise N10-009 questions linked to Network Security.
Network Troubleshooting practice questions
Practise N10-009 questions linked to Network Troubleshooting.
Network+ network fundamentals practice questions
Practise N10-009 questions linked to Network+ network fundamentals.
Practice this exam
Start a free N10-009 practice session
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Questions learners often ask
What does this N10-009 question test?
Network Operations — This question tests Network Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure an SNMP trap receiver on the NMS and set the router to send traps to that receiver. — SNMP traps are unsolicited notifications sent from a managed device (the router) to a Network Management System (NMS) when a specific event occurs, such as an interface going down. Since the administrator already configured SNMP community strings (which provide authentication for SNMP messages), the missing piece is configuring the router to send traps to a specific trap receiver (the NMS) and ensuring the NMS is set up to listen for those traps. Without this trap receiver configuration, the router will not generate or forward the event-driven alerts.
What should I do if I get this N10-009 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "immediately / without restart". Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 11, 2026
This N10-009 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the N10-009 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.